[LyX/master] Remove redundant code and clarify strings

[Richard Kimberly Heck]

On 9/3/23 06:58, Jürgen Spitzmüller wrote:
> Am Sonntag, dem 03.09.2023 um 12:32 +0200 schrieb Pavel Sanda:
>> I know it was not officially declared, but I thought the idea was
>> that beta5 will have final set of strings...?
> Sorry, I thought there will be a call soon.

Yes, beta 5 is really beta 4.1, so there was no string freeze yet. But soon.

Riki